# A363468 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 4
5 14
6 48
7 201
8 812
9 3455
10 14961
11 65954
12 294884
13 1334526
14 6098879
15 28114885
16 130561444
17 610244889
18 2868547475
19 13552299256
20 64316483918
21 306473091394
22 1465727378317
23 7033293786125
24 33851816310445
25 163384902125185
26 790589562321385
27 3834540111072545
28 18638976010097900